40% Merino Wool.
Outer sock is made of 78% Nylon, 15% Polyester, 7% Spandex. Inner Sock is 40% Merino Wool, 40% Acrylic, 17% Polyester, 2% Spandex, 1% Nylon.
A nylon exterior provides protective durability and abrasion resistance while hiking, running, cycling, walking or daily wear | A cushioned toe box provides exceptional comfort and foot care while engaging in outdoor sports and activities in wet weather while a reinforced heel reduces wear and increases longevity | Seamless construction increases waterproof properties and limits pressure points while engaged in outdoor activity.
100% waterproof membrane is 3-D molded to a Merino wool knit interior for superior warmth and comfort. A proprietary micro-porous membrane allows for perspiration to escape, providing a breathable waterproof sock that is extremely lightweight. Merino wool interior is moisture wicking and which reduces odor.
Machine wash with cold water and tumble dry on low heat or hang dry. It is preferable to hang dry in order to avoid any shrinkage.